Calibre is an open source e-book library management application that enables you to manage your e-book collection, convert e-books between different formats, synchronize with popular e-book reader devices, and read your e-books with the included viewer.
It acts as an e-library and also allows for format conversion, news feeds to e-book conversion, as well as e-book reader sync features and an integrated e-book viewer.
Calibre"s features include: library management; format conversion (all major ebook formats); syncing to e-book reader devices; fetching news from the Web and converting it into ebook form; viewing many different e-book formats, giving you access to your book collection over the internet using just a browser.
Calibre 5.4 new features:
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Windows: Allow adding of books to calibre from directories whose path length is larger than 260 characters. Closes tickets: 1900761
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Tag browser: Add an option in Preferences->Look & feel->Tag browser to allow the tag browser to get keyboard focus
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Tag browser: Allow editing the set of permissible values and colors for a custom column with fixed values, by right clicking on it.
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Edit metadata dialog: Make most custom metadata controls use only a single line.
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Elide the names of custom columns that are longer than a fixed width, instead of using multiple lines.Configurable via Preferences->Tweaks->Edit metadata custom column label length
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Edit book: Remove unused CSS: Add an option to merge CSS rules that have identical properties
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Book details window: Double clicking on the cover now shows it in the default system image viewer. Closes tickets: 1901379
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News download: Allow passing username/password in feed URLs. Closes tickets: 1900874
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Open with: Allow renaming Open with applications. Closes tickets: 1900890
Bug fixes:
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Viewer: Fix jumping to search result not always working in flow mode. Closes tickets: 1900868
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Get Books: Update Google and Gutenberg plugins for website changes
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Viewer: Fix keyboard shortcuts using ctrl+alt+letter key not working on windows. Closes tickets: 1900946
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Viewer: Fix keyboard shortcuts to shrink/grow selection not working. Closes tickets: 1900942
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Viewer: Fix keyboard shortcut to toggle highlights panel not working when the highlights panel is itself focused. Closes tickets: 1900938
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Viewer: handle editing of missing highlights more gracefully. Closes tickets: 1900358
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Drivers: Fix regression in calibre 5 that broke connecting to SONY devices. Closes tickets: 1901289
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Open with: On Linux when reading names from .desktop files, use the first matching language. Closes tickets: 1901276
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Conversion: Fix a regression in calibre 5 that broke conversion of some malformed CSS stylesheets. Closes tickets: 1901593
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Conversion: Fix a regression in calibre 5 that broke processing of some PDB files with images. Closes tickets: 1901957
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Conversion: Fix regression in calibre 5 in the handling of @import() rules in stylesheets that import from directories above themselves. Closes tickets: 1901278
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Content server: Fix various controls on the book details page not working when viewing a random book. Closes tickets: 1901232, 1901230
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Tag browser: Fix a crash when renaming a saved search to a value that already exists. Closes tickets: 1901273
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Tag browser: Fix renaming of custom column with fixed set of values not working. Closes tickets: 1900921
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Fix a regression in calibre 5 that broke auto-sync of generated catalogs to devices. Closes tickets: 1901630
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Fix setting rating via ebook-meta command line tool broken in calibre 5. Closes tickets: 1901113
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: When boolean columns are set to bistate, checking "show checkmarks" results in all non-boolean values being shown as false. Closes tickets: 1900099
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Spell check: Fix using non UTF-8 dictionaries broken in calibre 5
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Fix a rare issue where restarting calibre from within the program would fail.
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Version 5.4.2 fixes bugs in 5.4.0 that prevented calibre from starting on macOS and from choosing save file names on Windows.
Improved news sources:
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Psychology Today
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Washington Post
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LifeHacker
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The Atlantic
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New York Review of Books
Download: Calibre 5.4.2 for Windows | Portable | Windows 64-bit | ~100.0 MB (Open Source)
Download: Calibre 5.4.2 for MacOS | 141.0 MB
Download: Calibre 5.4.2 for Linux
View: Calibre Home Page | Calibre Screenshot
